1992–1993
Gemini G.E.L., 1969
Gemini G.E.L., 2007
James Pollard, 1981
Gemini G.E.L., 1999
Gemini G.E.L., 1994
Ellsworth Kelly, 1965
Gemini G.E.L., 1975
Gemini G.E.L., 1972
Gemini G.E.L., 1973
James Pollard, 1900
![Figure 0 [experimental proof]](https://api.nga.gov/iiif/8b7833fc-4575-4d90-823e-5ce94f37f8ce/full/843,/0/default.jpg)
![Figure 7 [trial proof]](https://api.nga.gov/iiif/2a926bce-1780-418f-9d82-a50ecc5c8406/full/843,/0/default.jpg)
![Ale Cans [working proof]](https://api.nga.gov/iiif/1f467368-75da-40b5-b5f4-5502a49d89f7/full/843,/0/default.jpg)
![Face (Black State) [trial proof]](https://api.nga.gov/iiif/8348e835-448a-442c-97dd-1a496ff2d0c4/full/843,/0/default.jpg)
